High eye point wide angle provides a large field of view for comfortable observation. All-optical glass lens ensures bright and clear vision. anti-reflection coating enhances high refractive index and high transmittance. Adjustable diopter allows for clear vision in both eyes. metal shell construction ensures . The WF10X High eye spot wide-angle eyepiece is designed for various biological microscopes, including for , Metallography, , and Phoenix. With a magnification of 10X and an interface diameter of 23.2mm, it offers a field of view diameter of 22mm, making it an excellent choice for detailed observations. Color: Black Material: Metal+Glass Package Contents: 1*Eyepiece Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.